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What is the difference between self::$bar and static::$bar in PHP?
...atic, you're invoking a feature called late static bindings (introduced in PHP 5.3).
In the above scenario, using self will result in Foo::$bar(1234).
And using static will result in Bar::$bar (4321) because with static, the interpreter takes takes into account the redeclaration within the Bar clas...
How do I strip all spaces out of a string in PHP? [duplicate]
How can I strip / remove all spaces of a string in PHP?
4 Answers
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Fastest way to implode an associative array with keys
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Was trying to find this method in the PHP API myself this is definitely the way to go. If not the alternative is to use a modified implode method such as uk2.php.net/manual/en/function.implode.php#84684 but http_build_query() will properly be faster.
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Get the Query Executed in Laravel 3/4
...equires that you enable the profiler option in application/config/database.php. Alternatively you could, as @dualed mentioned, enable the profiler option, in application/config/application.php or call DB::profile() to get all queries ran in the current request and their execution time.
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Get value of dynamically chosen class constant in PHP
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$id = constant("ThingIDs::$thing");
http://php.net/manual/en/function.constant.php
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sed or awk: delete n lines following a pattern
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This might work for you:
cat <<! >pattern_number.txt
> 5 3
> 10 1
> 15 5
> !
sed 's|\(\S*\) \(\S*\)|/\1/,+\2{//!d}|' pattern_number.txt |
sed -f - <(seq 21)
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How to output in CLI during execution of PHP Unit tests?
When running a PHPUnit test, I would like to be able to dump output so I can debug one or two things.
17 Answers
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Check if URL has certain string with PHP
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worked for me with php
if(strpos($_SERVER['REQUEST_URI'], 'shop.php') !== false){
echo 'url contains shop';
}
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Run R script from command line
...ew file called a.Rout will be created.
R CMD BATCH a.R
# Check the output
cat a.Rout
One other thing to note about using Rscript is that it doesn't load the methods package by default which can cause confusion. So if you're relying on anything that methods provides you'll want to load it explicit...
Parsing domain from a URL
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Or simply: print parse_url($url, PHP_URL_HOST)) if you don't need the $parse array for anything else.
– rybo111
Aug 24 '16 at 12:03
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